Hello,
I upgraded my server with additional 1GB of RAM, so now it has 2GBs of RAM.
I tried to run the webserver stress test on my application's members area
and found that it takes around 5 minutes of stress test with 20 users to
crash Tomcat. My application is very resource intensive, however,
keglius wrote:
What is the problem with the webserver (Tomcat 5.5)?
Nothing
Why does it crash?
Looks like your app is using more memory than you expect.
Do you, guys, have any suggestions which might be helpful to fix this strange
crash problem?
Use a profiler (eg YourKit) to see where the
I communicated with my hosting company and I found that my server has
installed a non-standard java runtime from BEA Jrockit. As my programmer
said that it's not a native sun virtual machine
and what I found on BEA web site that if you can't make a thread dump that
means that JVM really freezes
From: keglius [mailto:[EMAIL PROTECTED]
Subject: RE: Tomcat 5.0 strange crashes
What is the problem with the webserver (Tomcat 5.5)? Why does
it crash?
You keep using the word crash, but don't provide any evidence that the
Tomcat process is actually terminating. It's highly unlikely
From: keglius [mailto:[EMAIL PROTECTED]
OS: RedHat el4 (Linux 2.6.9-42.0.8.EL)
The Java application works fine, however sometimes Apache
Tomcat 5.0 just crashes without any reasons.
A wild stab in the dark... How much free memory do you have? I seem to
recall DeadRat has an oom-killer in
Thank you Peter and Caldarale for your answers.
I will definately check for those settings.
Actually, the server almost doesn't have free memory.
1007.9 MB of 1011.2 MB used; 3.2 MB available RAM
I think Tomcat is configured to always use 1GB of memory.
The server was working just fine earlier,
From: keglius [mailto:[EMAIL PROTECTED]
Actually, the server almost doesn't have free memory.
1007.9 MB of 1011.2 MB used; 3.2 MB available RAM
OK, that's physical memory. What about swap?
I think Tomcat is configured to always use 1GB of memory.
Then you have a problem anyway. You have